// 创建app组件
import React, { Component } from "react"; //表示引入react文件中， export default暴露的React和exprot暴露的Component

// 引入Hello组件
import Hello from "./components/Hello/Hello";
import Welcome from "./components/Welcome/Welcome";



// 创建并暴露App组件
export default class App extends Component {
  render() {
    return (
      <div id="app">
        <Hello />
        <Welcome />
      </div>
    )
  }
}